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Finding the Fourth Proportional to 1,658.52, 2,287.96 and 995.24

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Solution

The fourth proportional to 1,658.52, 2,287.96 and 995.24 is: 1,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.52 : 2,287.96 = 995.24 : x
  2. Step 2: Convert to fraction form
    1,658.52/2,287.96 = 995.24/x
  3. Step 3: Cross multiply
    1,658.52x = 2,287.96 × 995.24
  4. Step 4: Simplify right side
    1,658.52x = 2,277,069.31
  5. Step 5: Solve for x
    x = 2,277,069.31/1,658.52
  6. Step 6: Final answer
    x = 1,372.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.